Dissolver having filter bag-lined salt dissolving chamber

Claim 1

IN A REGENERANT SUPPLY SYSTEM FOR LIQUID TREATMENT APPARATUS COMPRISING: (A) A TANK HAVING A CLOSED BOTTOM, A TOP OPENING AND A SIDE WALL, (B) WALL MEANS CONTIGUOUS WITH SAID TANK DEFINING A RELATIVELY SMALL WELL FOR LIQUID REGENERANT, THERE BEING A LIQUID COMMUNICATION PASSAGE CONNECTING SAID WELL AND TANK CLOSELY ADJACENT THE CLOSED BOTTOM THEREOF, (C) A POROUS FABRIC CONTAINER FOR SOLID REGENERANT HAVING A CLOSED BOTTOM, A TOP OPENING, AND A SIDE WALL, THE SIDE WALL OF SAID CONTAINER BEING IN CONTACT WITH THE SIDE WALL OF SAID TANK FOR SUBSTANTIALLY THE ENTIRE LENGTH THEREOF EXCEPT FOR THE AREA ADJACENT SAID CLOSED BOTTOM, AND THE IMPROVEMENT FACILITATING FREE CIRCULATING O LIQUID AROUND SAID CONTAINER WITHOUT UNDUE LOSS OF SOLID REGENERANT STORAGE SPACE COMPRISING: THE SIDE WALL OF SAID CONTAINER BEING SPACED INWARDLY FROM THE SIDE WALL OF SAID TANK IN SAID AREA ADJACENT SAID CLOSED BOTTOM OF SAID TANK SO AS TO DEFINE AN OPEN ANNULAR SPACE AROUND SAID CONTAINER ONLY IN THE AREA ADJACENT SAID COMMUNICATING PASSAGE.